Series of events a cell goes through as it grows and divides; the cell

How many cells are our body made of ? ♡

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

What happens when a scientific theory is shown to be an accurate description of a phenomenon?